Tragedy, however, is an imitation not only of a complete action, but also of incidents arousing pity and fear.
The energy of the mind is the essence of life.
Happiness then, is found to be something perfect and self sufficient, being the end to which our actions are directed.
It is the mark of an educated man to look for precision in each class of things just so far as the nature of the subject admits; it is evidently equally foolish to accept probable reasoning from a mathematician and to demand from a rhetorician demonstrative proofs.
A man without regrets cannot be cured.
In general, then, pleasure is not good, because every pleasure is a perceptible process of coming into its nature; but no coming-into-being belongs to the same class as the ends we pursue—for.